211011020112 has 40 divisors (see below), whose sum is σ = 554350992480. Its totient is φ = 69144853120.

The previous prime is 211011020089. The next prime is 211011020113. The reversal of 211011020112 is 211020110112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011020113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37251939 + ... + 37257602.

It is an arithmetic number, because the mean of its divisors is an integer number (13858774812).

Almost surely, 2^211011020112 is an apocalyptic number.

It is an amenable number.

211011020112 is an abundant number, since it is smaller than the sum of its proper divisors (343339972368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211011020112 is a wasteful number, since it uses less digits than its factorization.

211011020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74509611 (or 74509605 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211011020112 its reverse (211020110112), we get a palindrome (422031130224).

The spelling of 211011020112 in words is "two hundred eleven billion, eleven million, twenty thousand, one hundred twelve".